385620 has 24 divisors (see below), whose sum is σ = 1079904. Its totient is φ = 102816.

The previous prime is 385607. The next prime is 385621. The reversal of 385620 is 26583.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 385620.

It is not an unprimeable number, because it can be changed into a prime (385621) by changing a digit.

385620 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3154 + ... + 3273.

It is an arithmetic number, because the mean of its divisors is an integer number (44996).

2³⁸⁵⁶²⁰ is an apocalyptic number.

385620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

385620 is an abundant number, since it is smaller than the sum of its proper divisors (694284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385620 is a wasteful number, since it uses less digits than its factorization.

385620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6439 (or 6437 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 385620 is about 620.9830915573. The cubic root of 385620 is about 72.7868933455.

The spelling of 385620 in words is "three hundred eighty-five thousand, six hundred twenty".